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What do you mean by OSI?
The Open System Interconnection (OSI) reference model explains how information from a software application in one computer moves by a network medium to a software application in another computer. The OSI reference model is a conceptual model composed of seven layers, every specifying particular network functions. The model was developed by the International Standardization Organization (ISO) in 1984, and it is now considered the primary architectural model for inter-computer communications.
objective practical questios answers
Allows for transmission and receiving of data concurrently
What do you mean by platform independence? Platform independence means that we can write and compile the java code in one platform (eg Windows) and can implement the class in a
ATM designers select cells over packets because of the following facts: Cells are fixed length and memory management for them is easy. Handling variable length packets tends
What is WDM? WDM is conceptually the similar as FDM, except that the multiplexing and demultiplexing includes light signals transmitted by fiber optics channel.
Q. What are the TCP Services? TCP - Services Full Duplex Service Connection Oriented Service Reliable Service
THICK ETHERNET WIRING: It needs thick coax cable. AUI cable joins from NIC to transceiver. AUI cable take digital signal from NIC to transceiver. The transceiver creates anal
Butterfly permutation This permutation is getting by interchanging the important significant bit in address with smallest significant bit.
Routing Table Each router now uses the shortest path tree to construct its routing table . each router uses the same algorithm and the same link state database its own sh
What is Round Trip Time? The duration of time it takes to send a message from one end of a network to the other and back, is known as RTT.
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